Home / 6,570.56-9,067.36-3,918

Finding the Fourth Proportional to 6,570.56, 9,067.36 and 3,918

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Solution

The fourth proportional to 6,570.56, 9,067.36 and 3,918 is: 5,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.56 : 9,067.36 = 3,918 : x
  2. Step 2: Convert to fraction form
    6,570.56/9,067.36 = 3,918/x
  3. Step 3: Cross multiply
    6,570.56x = 9,067.36 × 3,918
  4. Step 4: Simplify right side
    6,570.56x = 35,525,916.48
  5. Step 5: Solve for x
    x = 35,525,916.48/6,570.56
  6. Step 6: Final answer
    x = 5,406.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.